Sakata model of hadrons revisited
by Eugene V. Stefanovich
[2010/10] Technically a research paper, but contains
a very clear account of this historically-significant,
almost-forgotten
hadron model in the introductory section.

Feynman's sunshine numbers
by David Broadhurst
[2010/04] "Expansion of a talk for mathematics and physics
students of the Manchester Grammar and Manchester High Schools
... including 7 reasonably simple problems [with solutions]."

Feynman's sunshine numbers [Riemann zeta]
by David Broadhurst
[2010/04] "Expansion of a talk for mathematics and physics
students of the Manchester Grammar and Manchester High Schools
... including 7 reasonably simple problems [with solutions]."

Feynman's sunshine numbers
by David Broadhurst
[2010/04] "Expansion of a talk for mathematics and physics
students of the Manchester Grammar and Manchester High Schools
... including 7 reasonably simple problems [with solutions]."